| 
                 
                    Closing price on 3/12/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    72.00 | 
                 
                
                    | High | 
                    74.00 | 
                 
                
                    | Low | 
                    71.00 | 
                     
                
                    | Volume | 
                    13,420 | 
                                 
                
                    | Split-adjusted Price | 
                    2.48 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/12/2008
             | 
            
                +3.50 / +4.96%
             |             
            
                72.00
             |           
            
                74.00
             |               
            
                71.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                2.48
             |                                 
            
                13,420
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2008
             | 
            
                -3.50 / -4.73%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                70.50
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                2.37
             |                                 
            
                21,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2008
             | 
            
                -3.50 / -4.52%
             |             
            
                81.00
             |           
            
                81.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                2.48
             |                                 
            
                57,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2008
             | 
            
                +3.50 / +4.73%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                77.50
             |                           
            
                77.50
             | 
            
                77.50
             |                     
            
                2.60
             |                                 
            
                59,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2008
             | 
            
                +3.50 / +4.96%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                2.48
             |                                 
            
                18,150
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2008
             | 
            
                -3.50 / -4.73%
             |             
            
                70.50
             |           
            
                70.50
             |               
            
                70.50
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                2.37
             |                                 
            
                16,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2008
             | 
            
                -3.50 / -4.52%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.00
             |                     
            
                2.48
             |                                 
            
                1,210
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2008
             | 
            
                -4.00 / -4.91%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                77.50
             |                           
            
                77.50
             | 
            
                77.50
             |                     
            
                2.60
             |                                 
            
                1,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2008
             | 
            
                -4.00 / -4.68%
             |             
            
                81.50
             |           
            
                82.00
             |               
            
                81.50
             |                           
            
                81.50
             | 
            
                81.50
             |                     
            
                2.73
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2008
             | 
            
                -4.50 / -5.00%
             |             
            
                89.00
             |           
            
                89.50
             |               
            
                85.50
             |                           
            
                85.50
             | 
            
                85.50
             |                     
            
                2.87
             |                                 
            
                13,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2008
             | 
            
                -4.50 / -4.76%
             |             
            
                90.00
             |           
            
                99.00
             |               
            
                90.00
             |                           
            
                90.00
             | 
            
                90.00
             |                     
            
                3.02
             |                                 
            
                9,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2008
             | 
            
                -4.50 / -4.55%
             |             
            
                94.50
             |           
            
                95.00
             |               
            
                94.50
             |                           
            
                94.50
             | 
            
                94.50
             |                     
            
                3.17
             |                                 
            
                5,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2008
             | 
            
                +4.00 / +4.21%
             |             
            
                99.50
             |           
            
                99.50
             |               
            
                99.00
             |                           
            
                99.00
             | 
            
                99.00
             |                     
            
                3.32
             |                                 
            
                9,260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2008
             | 
            
                -5.00 / -5.00%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                95.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                3.19
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2008
             | 
            
                -5.00 / -4.76%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                100.00
             |                           
            
                100.00
             | 
            
                100.00
             |                     
            
                3.36
             |                                 
            
                6,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2008
             | 
            
                -5.00 / -4.55%
             |             
            
                105.00
             |           
            
                110.00
             |               
            
                105.00
             |                           
            
                105.00
             | 
            
                105.00
             |                     
            
                3.52
             |                                 
            
                4,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2008
             | 
            
                +1.00 / +0.92%
             |             
            
                104.00
             |           
            
                110.00
             |               
            
                104.00
             |                           
            
                110.00
             | 
            
                110.00
             |                     
            
                3.69
             |                                 
            
                3,050
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2008
             | 
            
                -5.00 / -4.39%
             |             
            
                109.00
             |           
            
                110.00
             |               
            
                109.00
             |                           
            
                109.00
             | 
            
                109.00
             |                     
            
                3.66
             |                                 
            
                14,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2008
             | 
            
                -2.00 / -1.72%
             |             
            
                116.00
             |           
            
                116.00
             |               
            
                114.00
             |                           
            
                114.00
             | 
            
                114.00
             |                     
            
                3.83
             |                                 
            
                3,830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2008
             | 
            
                0.00 / 0.00%
             |             
            
                119.00
             |           
            
                119.00
             |               
            
                116.00
             |                           
            
                116.00
             | 
            
                116.00
             |                     
            
                3.89
             |                                 
            
                2,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2008
             | 
            
                0.00 / 0.00%
             |             
            
                116.00
             |           
            
                116.00
             |               
            
                116.00
             |                           
            
                116.00
             | 
            
                116.00
             |                     
            
                3.89
             |                                 
            
                3,240
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2008
             | 
            
                -4.00 / -3.33%
             |             
            
                116.00
             |           
            
                116.00
             |               
            
                116.00
             |                           
            
                116.00
             | 
            
                116.00
             |                     
            
                3.89
             |                                 
            
                3,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2008
             | 
            
                +3.00 / +2.56%
             |             
            
                120.00
             |           
            
                120.00
             |               
            
                117.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                4.03
             |                                 
            
                10,910
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2008
             | 
            
                0.00 / 0.00%
             |             
            
                117.00
             |           
            
                117.00
             |               
            
                115.00
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                3.93
             |                                 
            
                2,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2008
             | 
            
                +5.00 / +4.46%
             |             
            
                117.00
             |           
            
                117.00
             |               
            
                115.00
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                3.93
             |                                 
            
                4,750
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2008
             | 
            
                +2.00 / +1.82%
             |             
            
                108.00
             |           
            
                112.00
             |               
            
                108.00
             |                           
            
                112.00
             | 
            
                112.00
             |                     
            
                3.76
             |                                 
            
                12,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2008
             | 
            
                -3.00 / -2.65%
             |             
            
                111.00
             |           
            
                111.00
             |               
            
                108.00
             |                           
            
                110.00
             | 
            
                110.00
             |                     
            
                3.69
             |                                 
            
                7,730
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2008
             | 
            
                -2.00 / -1.74%
             |             
            
                113.00
             |           
            
                115.00
             |               
            
                113.00
             |                           
            
                113.00
             | 
            
                113.00
             |                     
            
                3.79
             |                                 
            
                3,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2008
             | 
            
                0.00 / 0.00%
             |             
            
                115.00
             |           
            
                116.00
             |               
            
                115.00
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                3.86
             |                                 
            
                5,780
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2008
             | 
            
                -6.00 / -4.96%
             |             
            
                119.00
             |           
            
                119.00
             |               
            
                115.00
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                3.86
             |                                 
            
                5,090
             |  
            
                 
             |                                                              
             
    
         
    
    
 |